Automotive electronics is the general term of vehicle body electronic control device and vehicle electronic control device. Car body automotive electronic control device, including engine control system, chassis control system and body electronic control system (body electronic ECU).
The most important role of automotive electronics is to improve the safety, comfort, economy and entertainment of automobiles. Electronic control system composed of sensors, microprocessor MPUs, actuators, dozens or even hundreds of electronic components and their parts.

Automobile electronization is considered to be a revolution in the development of automobile technology. The degree of automobile electronization is regarded as an important sign to measure the level of modern automobiles, and is the most important technical measure to develop new models and improve automobile performance. Automobile manufacturers believe that increasing the number of automotive electronic equipment and promoting the electronization of automobiles is an important and effective means to seize the future automobile market.
According to statistics, from 1989 to 2000, the proportion of electronic devices per vehicle in the overall vehicle manufacturing cost increased from 16% to more than 23%. In some luxury cars, the number of single-chip microcomputers has reached 48, and electronic products account for more than 50% of the cost of the vehicle.